Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual presença tem uma data de 22 de dezembro de 1985 e uma semana menor que 16?
 ###Tabelas: CREATE TABLE  (_id AUTO_INCREMENT PRIMARY KEY, Round INT, Pick INT, Name VARCHAR, Position VARCHAR, College VARCHAR, AAFC Team VARCHAR) CREATE TABLE schedule (schedule_id AUTO_INCREMENT PRIMARY KEY, Week INT, Date VARCHAR, Opponent VARCHAR, Result VARCHAR, Attendance INT) CREATE TABLE doubles:_7_5_titles_2_runners-up (doubles:_7_5_titles_2_runners-up_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents VARCHAR, Score VARCHAR) CREATE TABLE composition_of_the_15th_seanad (composition_of_the_15th_seanad_id AUTO_INCREMENT PRIMARY KEY, Administrative Panel INT, Agricultural Panel INT, Cultural and Educational Panel INT, Industrial and Commercial Panel INT, Labour Panel INT, National University of Ireland INT, University of Dublin INT, Nominated by the Taoiseach INT, Total INT) CREATE TABLE wisconsin_counties_ranked_by_per_capita_income (wisconsin_counties_ranked_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Per capita income VARCHAR, Median household income VARCHAR, Median family income VARCHAR, Population INT, Number of households INT)  
SELECT SUM Attendance FROM schedule WHERE Date = december 22, 1985 AND Week < 16